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Michaela McGrath

PROFILE

Michaela Mcgrath

Michaela McGrath engineered robust cloud infrastructure and data migration solutions for the NHSDigital/ftrs-directory-of-services repository, focusing on secure, scalable, and automated deployments. She leveraged AWS, Terraform, and Python to deliver multi-environment VPCs, event-driven data pipelines, and CI/CD workflows that standardized network topology and accelerated feature delivery. Her work included implementing least-privilege IAM policies, cross-account DNS management, and automated backup and restore for DynamoDB, all while enhancing observability and access controls. By integrating static code analysis and enforcing governance in release workflows, Michaela ensured high code quality and reliable releases, demonstrating depth in cloud engineering and DevOps best practices.

Overall Statistics

Feature vs Bugs

94%Features

Repository Contributions

84Total
Bugs
2
Commits
84
Features
31
Lines of code
11,508
Activity Months9

Work History

October 2025

8 Commits • 3 Features

Oct 1, 2025

Oct 2025 monthly summary for NHSDigital/ftrs-directory-of-services: delivered a robust UI delivery stack with security hardening, governance automation to improve release reliability, and data-migration readiness through a measured database upgrade. Focused on delivering business value, reducing risk, and enabling faster, compliant releases across the service directory product.

September 2025

15 Commits • 5 Features

Sep 1, 2025

September 2025: Delivered security, observability, and data-movement enhancements for NHSDigital/ftrs-directory-of-services. Key outcomes include centralized DMS role management with cross-environment permissions and secret access; refined DMS source/target configuration and endpoint management (SSM-backed target) for reliable migrations; dedicated S3 logging stack with standardized retention across Lambda/OpenSearch and migrated to a separate stack; enabled Glue and Athena data processing permissions to accelerate cataloging and analytics; and secured DoS RDS migrations with a VPC endpoint. The work reduces manual configuration, tightens access controls, improves observability, and accelerates data migration and analytics workflows, delivering measurable business value.

August 2025

5 Commits • 2 Features

Aug 1, 2025

Month: 2025-08. This monthly summary highlights key features delivered and infrastructure improvements for NHSDigital/ftrs-directory-of-services, focusing on business value and technical resilience. Key outcomes include data management capabilities (DynamoDB seeding, export to S3, restoration) with data migration workflows and backup/restore capabilities, plus CI/CD enhancements to support data lifecycle management. Major improvements to data migration infrastructure include CI/CD reliability, deployment ordering, log retention standardization, environment-specific DMS/queue configurations, and IAM setup for DMS service roles, enabling safer, faster migrations across environments. Observability, reliability, and security were strengthened via standardized logging for RDS and Lambda and an SQS dependency upgrade. Overall, these efforts reduce operational risk, accelerate data-driven decisions, and improve recovery times while expanding data management capabilities.

July 2025

9 Commits • 7 Features

Jul 1, 2025

Summary for 2025-07: Delivered a suite of infrastructure and governance improvements for NHSDigital/ftrs-directory-of-services, focused on security, reliability, and observability. Implemented multi-account Route 53 DNS management with environment-specific records and updated IAM policies. Extended App Runner roles to access AWS Certificate Manager for TLS certificate usage, enabling certificate-based deployments. Enforced RDS deletion_protection and environment-based provisioning for dev/test, with service-linked policy scaffolding for RDS/OpenSearch. Strengthened artefact access control across test and production and prepared DynamoDB point-in-time recovery considerations. Added an OpenSearch Serverless service-linked role to improve observability. In addition, progressed CI/CD traceability through environment-aware job naming and centralized organization table configuration to reduce duplication and improve governance.

June 2025

15 Commits • 4 Features

Jun 1, 2025

June 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered security-first enhancements to GitHub Actions runners, implemented least-privilege IAM roles with account/app differentiation and a type input, and added essential permissions (RDS tags, AWS X-Ray, DMS) for CI/CD. Established cross-account DNS/Route53 access by introducing cross-account IAM resources, SSM parameters to share account IDs, and management account role to enable runners to assume roles securely. Bootstrapped CI/CD environment provisioning with environment-driven account_type, artifact naming conventions, per-environment tfvars (int, non-prod, prod, ref, sandpit, test), and matrix-based deployment workflows; VPN resources enabled only for dev. Refactored cleardown workflows and OpenSearch cleanup to remove VPC config, add network policy cleanup, correct branch checks and triggers, and enforce environment checks and executable policy scripts across stacks. These changes collectively improve security, deployment speed, and reliability while enabling scalable multi-environment operations.

May 2025

12 Commits • 2 Features

May 1, 2025

Monthly summary for 2025-05 focused on NHSDigital/ftrs-directory-of-services: delivering scalable data migration and robust CI/CD improvements to drive deployment reliability, faster release cycles, and improved code quality.

April 2025

9 Commits • 4 Features

Apr 1, 2025

April 2025 performance highlights for NHSDigital/ftrs-directory-of-services. The month delivered substantial improvements across data processing, infrastructure, and release automation, enabling faster data migrations, safer deployments, and stronger security governance. No explicit bug fixes were recorded in this period, with value instead driven by feature delivery and process improvements that reduce toil and increase deployment confidence.

March 2025

8 Commits • 3 Features

Mar 1, 2025

Monthly work summary for 2025-03: Delivered a secure, scalable data migration foundation for NHSDigital/ftrs-directory-of-services, including a dedicated PostgreSQL cluster with environment-based deployment, AWS Secrets Manager integration, and RDS credential handling for cross-environment data movement. Implemented secure remote access via Client VPN, and introduced Lambda data-migration infrastructure (dependency layer and packaging) to streamline deployments. Improved deployment workflows with flexible commit handling and naming conventions, enhancing reliability and maintainability. This work enables repeatable migrations, stronger access controls, and faster delivery of data-driven features.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for NHSDigital/ftrs-directory-of-services: Delivered a unified, account-wide VPC infrastructure-as-code with multi-environment deployment automation for FDOS, establishing standardized networking across AWS accounts and a controlled plan/approve/apply workflow. Implemented environment-specific configuration via per-environment VPC variables and a new flag to govern database route-table creation, plus a GitHub Actions pipeline to automate infrastructure deployment (plan storage and apply). This work accelerates reproducible deployments, strengthens governance, and reduces manual operational toil across environments.

Activity

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Quality Metrics

Correctness87.8%
Maintainability87.6%
Architecture87.2%
Performance79.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashHCLJSONPythonShellTOMLTerraformYAMLbashhcl

Technical Skills

AWSAWS IAMAWS LambdaAWS S3Bash ScriptingCI/CDCloud ComputingCloud EngineeringCloud InfrastructureCloudFrontCloudWatchCode AnalysisConfiguration ManagementConventional CommitsData Migration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

NHSDigital/ftrs-directory-of-services

Feb 2025 Oct 2025
9 Months active

Languages Used

TerraformbashhclyamlBashHCLYAMLmakefile

Technical Skills

AWSCI/CDCloud EngineeringDevOpsGitHub ActionsInfrastructure as Code

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